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ISL70001ASEHVX Datasheet(PDF) 9 Page - Intersil Corporation |
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ISL70001ASEHVX Datasheet(HTML) 9 Page - Intersil Corporation |
9 / 25 page ISL70001ASEH 9 FN8365.0 May 22, 2013 SOFT-START Soft-Start Source Current SS = GND 20 23 27 µA Soft-Start Discharge ON-Resistance 2.2 4.7 Ω Soft-Start Discharge Time 256 Clock Cycles POWER-GOOD SIGNAL Rising Threshold VFB as a % of VREF, Test Mode 107 111 115 % Rising Hysteresis VFB as a % of VREF, Test Mode 2 3.5 5 % Falling Threshold VFB as a % of VREF, Test Mode 85 89 93 % Falling Hysteresis VFB as a % of VREF, Test Mode 2 3.5 5 % Power-Good Drive VIN = 3V, PGOOD = 0.4V, EN = GND 7.3 8.2 mA Power-Good Leakage VIN = PGOOD = 5.5V 0.001 1 µA PROTECTION FEATURES Undervoltage Monitor Undervoltage Trip Threshold VIN = 3V, VFB as a % of VREF, Test mode 71 75 79 % Undervoltage Recovery Threshold VIN = 3V, VFB as a % of VREF, Test mode 84 88 92 % Overcurrent Monitor Overcurrent Trip Level LX4 Power Block, Test Mode, (Note 15) 1.3 1.9 2.5 A Overcurrent Trip Counts LX4 Power Block, Test Mode (Note 14) 2 Overcurrent or Short-Circuit Duty-Cycle VIN = 3V, SS interval = 200µs, Test Mode, Fault interval divided by hiccup interval 0.8 5 % NOTES: 11. Typical values shown are not guaranteed. Guaranteed min/max values are provided in the SMD. 12. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design. 13. Limits do not include tolerance of external feedback resistors. The 0A to 6A output current range may be reduced by Minimum LXx On Time and Minimum LXx Off Time specifications. 14. Limits established by design, characterization or analysis and are not production tested. 15. During an output short-circuit, peak current through the power block(s) can continue to build beyond the overcurrent trip level by up to 3A. With all six power blocks connected, peak current through the power blocks and output inductor could reach (6 x 2.5A) + 3A = 18A.. Electrical Specifications Unless otherwise noted, VIN = AVDD = DVDD = PVINx = EN = M/S = 3V or 5.5V; GND = AGND = DGND = PGNDx = TDI = TDO = ZAP = 0V; FB = 0.65V; PORSEL = VIN for 4.5V ≤ VIN ≤ 5.5V and GND for VIN < 4.5V, SYNC = LXx = Open Circuit; PGOOD is pulled up to VIN with a 1k resistor; REF is bypassed to GND with a 220nF capacitor; SS is bypassed to GND with a 100nF capacitor; IOUT = 0A; TA = TJ = +25°C. (Note 11). Boldface limits apply over the operating temperature range, -55°C to +125°C; over a total iodizing dose of 100krad(Si) with exposure at a high dose rate of 50 - 300krad(Si)/s; and over a total iodizing dose of 50krad(Si) with exposure at a low dose rate of <10mrad(Si)/s. (Continued) PARAMETER TEST CONDITIONS MIN (Note 12) TYP (Note 11) MAX (Note 12) UNITS |
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